Hola Laura!
Respuestas : 1.
= 32.
= <img src="https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B13%7D" />3.
= <img src="https://tex.z-dn.net/?f=%5Cfrac%7B64%7D%7B35%5Csqrt%7B35%7D%20%7D" />Explicación paso a paso : 1.
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B4%7D" /> x <img src="https://tex.z-dn.net/?f=%5Cfrac%7B144%7D%7B36%7D" /> = <img src="https://tex.z-dn.net/?f=%5Csqrt%7B%5Cfrac%7B9%7D%7B4%7D" /> x <img src="https://tex.z-dn.net/?f=%5Csqrt%7B%5Cfrac%7B144%7D%7B36%7D%20%7D" /> = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B9%7D%20%7D%7B%5Csqrt%7B4%7D%20%7D" /> x <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B144%7D%20%7D%7B%5Csqrt%7B36%7D%20%7D" /> = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B2%7D" /> x <img src="https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B6%7D" /> = [img = 10] x 2 = 32.
[img = 11] x [img = 12] = [img = 13] x [img = 14] = [img = 15] x [img = 16] = [img = 17]3.
[img = 18] x [img = 19] = [img = 20] x [img = 21] = [img = 22] x [img = 23] = [img = 24].